E cigarettes: How they work, risks, and research E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA News What Are the Different Types of Vape Device? FDA authorizes e cigarette, citing smoker benefit Los Angeles Times How are Non Combusted Cigarettes, Sometimes Called Heat Not Burn Products, Different from E Cigarettes and Cigarettes? FDA Vaping: What you need to know NIH MedlinePlus Magazine